aspen autumn colorado fall golden leaf leaves mountain tree trees yellow gold bright forest forests cone cones nature pine pines seed seeds stick twig brown clack defoliate defoliation green red trunk trunks black blue cloud cloudy frozen mist misty sun white cold frost landscape scene snow winter winter scene xmasgraphic2015 colour HDR reflection reflections season seasons branch colors colours dusk plant plants river sky sunset twilight country countryside gravel gravelled road rural shadows sundland sunshine